so,don’t u wanna marry me?

a boy asked his girlfriend:so,don’t u wanna marry me?
girl:yes,my fiance must be very brave and especially intelligence.
boy:i guess you might have forgotten it’s me who save you from the water.
girl:indeed you’re very courageous,but it doesn’t mean that you :are smart .
boy:but do you know who turned the ship upsidedown?